
Line of Best Fit Flashcard
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A line that best represents the data on a scatter plot, showing the trend of the data points.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
As one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The point where the line crosses the y-axis, representing the value of y when x is 0.
4.
FLASHCARD QUESTION
Front
How do you determine the slope of a line?
Back
The slope is calculated as the change in y divided by the change in x (rise over run).
5.
FLASHCARD QUESTION
Front
What does it mean if there is no correlation in a scatter plot?
Back
There is no discernible relationship between the two variables; changes in one do not affect the other.
6.
FLASHCARD QUESTION
Front
What is the purpose of a trend line in a scatter plot?
Back
To summarize the relationship between the variables and make predictions.
7.
FLASHCARD QUESTION
Front
How can you use a line of best fit to make predictions?
Back
By extending the line to estimate values of one variable based on known values of the other.
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